package com.wx.common.redis;

import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.databind.ObjectMapper;

@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

	/**
	 * @param connectionFactory
	 * @return
	 * @desc redis模板，存储关键字是字符串， 值jackson2JsonRedisSerializer是序列化后的值
	 */
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public RedisTemplate redisTemplate(RedisConnectionFactory connectionFactory) {
		RedisTemplate redisTemplate = new RedisTemplate();
		redisTemplate.setConnectionFactory(connectionFactory);

		// 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
		Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
		ObjectMapper objectMapper = new ObjectMapper();
		objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

		// 使用StringRedisSerializer来序列化和反序列化redis的key值
		RedisSerializer redisSerializer = new StringRedisSerializer();
		// key
		redisTemplate.setKeySerializer(redisSerializer);
		redisTemplate.setHashKeySerializer(redisSerializer);
		// value
		redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
		redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);

		redisTemplate.afterPropertiesSet();
		return redisTemplate;
	}

}
